Chinese internal medicine is the foundation of clinical practice of Chinese medicine and covers a large variety of diseases and symptoms. Developing expertise in every internal disease requires a lot of practice and extensive studies. However, after mastering the theory of Chinese medicine and classical understanding of the etiology and pathomechanism of diseases, the practitioner must acquire many years of clinical practice. One could spend years accumulating firsthand experience. However, since there is ample information collected from successful cases studies available to us, it is highly profitable for the practitioner to analyze and grasp the knowledge through the experience of the masters that came before them. In this approach, medicine itself will continue to evolve and improve. This collection of internal medicine clinical cases contains clear and detailed analysis of commonly seen diseases such as diabetes, Parkinson’s Disease, post stroke sequelae, insomnia, epilepsy, bipolar disorder, emaciation, rheumatoid arthritis and many more. These medical cases are concrete and filled with medical knowledge from experts on the theory, treatment principles and methods with medicinals, formulas, acupuncture and moxibustion. In addition, to deepen the level of understanding of the diseases, comprehension questions have been added at the end of each chapter with detailed answers. This clinical case study collection is a most for all practitioners of Chinese medicine.